pen-driving mechanism
11History of the single-lens reflex camera — The history of the single lens reflex camera predates the invention of photography in 1826/27 by one and a half centuries with the use of a reflex mirror in a camera obscura first described in 1676. Such SLR devices were popular as drawing aids… …
12Media and Publishing — ▪ 2007 Introduction The Frankfurt Book Fair enjoyed a record number of exhibitors, and the distribution of free newspapers surged. TV broadcasters experimented with ways of engaging their audience via the Internet; mobile TV grew; magazine… …
13Anger — This article is about the emotion. For other uses, see Anger (disambiguation). Angry , Indignation , and Wrath redirect here. For other uses, see Angry (disambiguation), Indignation (disambiguation), and Wrath (disambiguation). Emotions Affection …
14Europe, history of — Introduction history of European peoples and cultures from prehistoric times to the present. Europe is a more ambiguous term than most geographic expressions. Its etymology is doubtful, as is the physical extent of the area it designates.… …
15European Union — 1. an association of European nations formed in 1993 for the purpose of achieving political and economic integration. Formerly known as the European Economic Community, the European Union s member states are Austria, Belgium, Denmark, Finland,… …
16Artillery — For other uses of the term, see Artillery (disambiguation). Warfare Military history Eras Prehistoric Ancient …
17Plotter — A plotter is a vector graphics printing device that connects to a computer. There are two types of main plotters. Those are pen plotters and electrostatic plotters.Pen plotters print by moving a pen across the surface of a piece of paper. This… …
18Anti-personnel mine — [ Valmara 69 bounding type Anti personnel mine.] Anti personnel mines are a form of mines designed for use against humans as opposed to anti tank mines, which are designed for use against vehicles.This type is designed to injure (as opposed to… …
19List of Historic Mechanical Engineering Landmarks — The following is a list of Historic Mechanical Engineering Landmarks as designated by the American Society of Mechanical Engineers since it began the program in 1971. The designation is granted to existing artifacts or systems representing a… …
20Ellipse — Elliptical redirects here. For the exercise machine, see Elliptical trainer. This article is about the geometric figure. For other uses, see Ellipse (disambiguation). Not to be confused with ellipsis. An ellipse obtained as the intersection of a… …
